CN102331737A

CN102331737A - Electronic cam master controller

Info

Publication number: CN102331737A
Application number: CN201110214410A
Authority: CN
Inventors: 成进军; 朱毅勇; 李京军; 顾建东; 马正; 姜玉敏; 陈维强
Original assignee: Yantai Lubao Steel Pipe Co Ltd
Current assignee: Yantai Lubao Steel Pipe Co Ltd
Priority date: 2011-07-23
Filing date: 2011-07-23
Publication date: 2012-01-25
Anticipated expiration: 2031-07-23
Also published as: CN102331737B

Abstract

The invention discloses an electronic cam master controller, which comprises an electronic cam controller (1) and is characterized in that: the electronic cam controller (1) is provided with a positioning disk (3); the positioning disk (3) is provided with an annular groove (11) and double synchronous rows of positioning concave holes (12); steel balls (4) and springs (5) are arranged in the double rows of positioning concave holes (12) respectively; a key slot of a handle (6) is formed in alignment with a key (2) of the electronic cam controller (1); the handle (6) is concentrically flush with the positioning disk (3); the handle (6) is provided with a retaining screw (8); the retaining screw (8) slides in the annular groove (11) of the positioning disk (3); a corresponding cam sheet in the electronic cam controller (1) corresponds to an inductance contact-free proximity switch; and the proximity switch is directly connected with a digital quantity input module of a PLC (Programmable Logic Controller). The electronic cam master controller has the advantages of one-time installation and adjustment, freeness from maintenance, simple structure, low labor intensity and normal equipment running.

Description

A kind of electric cam formula master controller

Technical field:

The present invention relates to the mechanical & electrical technology field, is a kind of electric cam formula master controller specifically, is that electronic cam controller is become electric cam formula master controller, thereby substitutes former mechanical type master controller, is widely used in the control of electrical equipment.

Background technology:

The mechanical type master controller of LK series is widely used in steel pipe's production, like the dress of rotary heating furnace, the control that goes out trolley, and the control of the perforation dolly of tapping machine, centering roller, the control of rane trolley etc.; Along with the lifting at full speed of the improving constantly of production capacity and rhythm of production, automaticity, this mechanical type master controller more and more can not satisfy the demand for control of increasingly automated line production.With existing tapping machine centering roller master controller is example, and its model is LK1-12/07; This master controller has 5 grades backward by manufacturing technique requirent, is respectively that centering roller 1 is opened for a short time, 2 opened for a short time, 3 opens for a short time, 4 opens for a short time, the roller of feeling relieved is all opened (5 open and its synchronization action for a short time) greatly in order, and meta is zero span, 1 grade forward, and the roller of promptly feeling relieved all closes greatly; Its whole heaviness, complicated in mechanical structure, volume are bigger, comprise that the contact actuating mechanism all is the fully mechanical structure, and fault takes place frequently in the application process; Such as the contact actuating mechanism positioning of inner plastics quality, cracked, wearing and tearing, stuck, pitting of contact, the operating grip bearing pin ruptures, drops out; The handle retainer spring ejects, and handle register pin positioning etc. cause operation malfunctioning; Produce downtime and useless pipe etc., even it is disconnected to cause the perforation push rod to stick up, influence is produced smoothly and personal security.In addition,, cause operation comparatively to require great effort because this master controller is the fully mechanical structure, every perforation one arm, operating personnel can operate 5 grades backward of this master controllers, return then through zero span, 1 grade forward, return zero span at last, wait for the operation of next arm then.

Summary of the invention:

The objective of the invention is to overcome the deficiency of above-mentioned prior art; And a kind of electric cam formula master controller is provided, mainly solve existing LK series mechanical formula master controller complicated in mechanical structure, easy break-down, the operation effort influences problems such as the normal operation of equipment.

In order to achieve the above object, the present invention is achieved in that a kind of electric cam formula master controller, and it comprises electronic cam controller; Key is arranged on the electronic cam controller, and its special character is to establish positioning disk on the electronic cam controller, establishes ring groove and synchronous double location shrinkage pool on the positioning disk; In the shrinkage pool of double location, establish steel ball and spring respectively; Steel ball is under the pressure of spring, and circular arc moves in the shrinkage pool of the double location of several on positioning disk, and a shrinkage pool is promptly located shelves; The keyway of handle is aimed at the key of electronic cam controller and installed, handle flushes with positioning disk is concentric, establishes the stop screw on the handle, and the stop screw slides in the ring groove of positioning disk; Corresponding cam bit in the electronic cam controller is contactless contactless corresponding near switch with inductance type, directly is connected with the digital quantity input module of PLC near switch.

Compared with present technology a kind of electric cam formula master controller of the present invention has outstanding substantive distinguishing features and marked improvement: 1, adopt the standard component electronic cam controller; It is a kind of automation control appliance; Its core component is cam bit (group), electronic proximity switch; Principal feature is for adopting contactless contactless inductance type (PNP or NPN) electronic proximity switch, and this switch has that response is fast, precision is high, the life-span is long, is with advantages such as LED action indicator, supply voltage wide ranges; And can directly advance the digital quantity input module of PLC, the breach size through stepless each cam bit of adjustment can conveniently satisfy various robotization demands for control; 2, simple in structure; Accurate positioning; Advantages such as flexible operation have fundamentally solved former mechanical type LK series master controller complex structure, heaviness, operation effort, the contact actuating mechanism positioning of inner plastics quality, cracked, wearing and tearing, stuck, and the operating grip bearing pin ruptures, drops out; The handle retainer spring ejects, drawbacks such as handle register pin positioning; Drawbacks such as 3, contactless, contactless inductance approach switch and the dynamic and static contact type of mechanical type contact transmission signals are as different as light from darkness, and this is non-maintaining near switch, has thoroughly stopped the mechanical contact ablation, and is stuck; 4, need not safeguard, only need make regular check on the degree of fatigue of spring, install very simply, and can conveniently adjust cam bit according to demand for control, extendability is extremely strong, and stops disorderly closedown, the direct motion of support equipment production safety.

Description of drawings:

Fig. 1 is a structural representation of the present invention.

Embodiment:

In order to understand better and to implement, provide specific embodiment below in conjunction with accompanying drawing and specify a kind of electric cam formula of the present invention master controller.

Embodiment 1, referring to Fig. 1, with handle to last shelves; Five grades backward, it is example that zero span is arranged, and adopts standard component electronic cam controller 1; Key 2 is arranged on the electronic cam controller 1; Earlier two positioning disk gib screws 9 of positioning disk 3 usefulness are fixed on the electronic cam controller 1, positioning disk 3 has ring groove 11 and synchronous double location shrinkage pool 12, and how many numbers of the shrinkage pool 12 on the positioning disk 3 can deciding in its sole discretion according to required gear; Reaching backward operation forward with handle 6, to be not more than 180 ° be standard, and the length of the stop ring groove 11 on the certainly corresponding positioning disk 3 also need increase or reduce; The degree of depth of the synchronous double registration shrinkage pool 12 on the positioning disk 3 and diameter are decided with the steel ball selected for use size, and can embed in the shrinkage pool 1/2 with steel ball is benchmark, and what the present invention selected for use is the steel ball of φ 8.5mm; The degree of depth and the width of the ring groove 11 on the positioning disk 3 are decided with the stop screw specification of selecting for use, and what the present invention selected for use is the socket head cap screw of M10*20mm; Again the keyway of handle 6 is aimed at key 2 installations of electronic cam controller 1, made handle 6 and positioning disk 3 concentric flushing; Use handle gib screw 10 that handle 6 is fastening then, stop screw 8 is installed on the handle 6 again, stop screw 8 slides in the ring groove 11 of positioning disk 3; Respectively steel ball 4, spring 5 are packed into from the hole of handle 6 successively in order then; Last mounting spring degree of tightness adjustment screw 7; Steel ball 4 is under the pressure of spring 5; Circular arc moves in several shrinkage pools on positioning disk 3, and a shrinkage pool is promptly located shelves, and on positioning disk 3, having designed synchronous double location shrinkage pool 12, two steel ball 4, dual spring 5 is in order better to locate more accurately; There are several cam bits and inductance type contactless contactless in the electronic cam controller 1, directly are connected with the digital quantity input module of PLC near switch near switch (cam bit reaches and can select for use the model of suitable electronic cam controller 1 to get final product according to demand for control near the quantity of switch).

A kind of electric cam formula master controller of the present invention; During work, in manually-operated handle 6, the head of stop screw 8 ring groove 11 on positioning disk 3 along with handle 6 displacements; When arriving then handle 6 backward operation again of last step backward; Equally, when handle 6 arrives the most last shelves forward, then handle 6 can not be operated forward again; Size firmly during as for operating grip 6 can suitably be adjusted spring degree of tightness adjustment screw 7 according to operating personnel's feel and get final product, does not generally move voluntarily at any gear and is as the criterion with operating personnel's back handle 6 of loosing one's grip; Steel ball 4 is under the pressure of spring 5, and circular arc moves in meeting several shrinkage pools on positioning disk 3, and a shrinkage pool is promptly located shelves; The axle of electronic cam controller 1 rotates simultaneously; Corresponding cam bit in the electronic cam controller 1 can be contactless contactless near switch near corresponding inductance type, then should be near switch motion, signal is transmitted in the digital quantity input module of PLC into; The routine processes that the CPU of PLC is correlated with, thereby the relevant device motion of control.

The not only alternative old-fashioned mechanical type LK series master controller of electric cam formula master controller of the present invention also can substitute other serial mechanical type master controller.

Claims

1. electric cam formula master controller; It comprises electronic cam controller (1); Key (2) is arranged on the electronic cam controller (1), it is characterized in that on electronic cam controller (1), establishing positioning disk (3), establish ring groove (11) and synchronous double location shrinkage pool (12) on the positioning disk (3); In double location shrinkage pool (12), establish steel ball (4) and spring (5) respectively; Steel ball (4) is under the pressure of spring (5), and circular arc moves in several the double location shrinkage pools (12) on positioning disk (3), and a shrinkage pool is promptly located shelves; The keyway of handle (6) is aimed at the key (2) of electronic cam controller (1) and installed, handle (6) and concentric the flushing of positioning disk (3) are established stop screw (8) on the handle (6), and stop screw (8) slides in the ring groove (11) of positioning disk (3); Corresponding cam bit in the electronic cam controller (1) is contactless contactless corresponding near switch with inductance type, directly is connected with the digital quantity input module of PLC near switch.